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1、采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物The Gerund (orVing form) used as subject人教版高中英语人教版高中英语Book4 Unit 2华南师范大学华南师范大学制作人：梁惠芳制作人：梁惠芳采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 Losing him was blue like Id never known Missing him was dark grey all alo
2、ne Forgetting him was like trying to know somebody youve never met But loving him was red Loving him was red V-ing form used as subject采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 一. The usage of V-ing form used as subject 动名词做主语往往表示经常性、习惯性的动作或状态。 Watching news on TV has becom
3、e a routine for me.(经常性、习惯性的动作) Talking is easier than doing.(状态）采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 一. 动名词做主语的3种句型 (1)动名词直接置于句首。 Talking is easier than doing. (2)Ving 形式作主语时常后置,用it作形式主语 It is a waste of time doing sth (3)There be 结构中作主语： A. There is +no doing B. Ther
4、e is no point doing采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 (1)动名词直接置于句首。Watching news on TV has become a routine for me.Seeing is believing.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物(2)V-ing 形式作主语时常后置,用it作形式主语。Playing video games is a waste of tim
5、e.It is a waste of time形式主语真正主语It is a waste of time playing video games.playing video games.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物常见句式: It is no good/no use/ useless doing sth 做、没有用的 It is a waste of time doing sth 做、是浪费时间的采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以
6、保证切口面的圆度，保持熔接部位干净无污物It is no use crying over spilt milk.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 (3)There be 结构中作主语： A. There is +no doing 表示不可能做某事 There is no knowing the future =we cant know the future. B.There is no point doing 做、没有意义采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切
7、断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物B. There is no point doing做、没有意义 Theres no point having wishes if you dont at least try to do them. 如果你都不尝试实现梦想，那么拥有梦想又有什么意思呢。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 Talking
8、is easier than doing. Losing him was blue like Id never known. Missing him was dark grey all alone.动名词作主语时，单个V-ing 做主语，谓语动词用单数。 Collecting stamps and running are his hobby.两个或两个以上表达不同意义的V-ing 作主语，谓语动词用复数。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 主谓一致： Seeing believing. Watc
9、hing TV and reading books become a routine for me.isare has have 采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物 一. 动名词做主语的用法 (1)动名词直接置于句首。 Talking is easier than doing. (2)Ving 形式作主语时常后置,用it作形式主语 It is a waste of time doing sth (3)There be 结构中作主语： A. There is +no doing B. There
10、is no point doingsummary单个V-ing 做主语，谓语动词用单数。采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Homework采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Since Tom went to high school, _(watch) TV has become a routine for him. His mother always said “its waste of time
11、_(spend) time in front of TV.” However, Tom always answers “I can keep a balance between studying and watching TV.” As you know, talking _(be) easier than doing. Later, Tom doesnt do well in the final exam and he is so sad. Toms mother knows that there is no point_(scold) him now. so she comforts hi
12、m and said “ it is no use _(cry) over spilt milk. There is no _(tell) what you can do, just try your best.采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物Since Tom went to high school, _(watch) TV has become a routine for him. His mother always said “its waste of time_(spend) time
13、 in front of TV.” However, Tom always answers “I can keep a balance between studying and watching TV.” As you know, talking _(be) easier than doing. Later, Tom doesnt do well in the final exam and he is so sad. Toms mother knows that there is no point_(scold) him now. so she comforts him and said “ it is no use _(cry) over spilt milk. There is no _(tell) what you can do, just try your best.watchingisscoldingcryingtellingspending采用PP管及配件：根据给水设计图配置好PP管及配件，用管件在管材垂直角切断管材，边剪边旋转，以保证切口面的圆度，保持熔接部位干净无污物